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Finding the Fourth Proportional to 17,173.60, 23,700.46 and 9,619.49

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Solution

The fourth proportional to 17,173.60, 23,700.46 and 9,619.49 is: 13,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.60 : 23,700.46 = 9,619.49 : x
  2. Step 2: Convert to fraction form
    17,173.60/23,700.46 = 9,619.49/x
  3. Step 3: Cross multiply
    17,173.60x = 23,700.46 × 9,619.49
  4. Step 4: Simplify right side
    17,173.60x = 227,986,337.97
  5. Step 5: Solve for x
    x = 227,986,337.97/17,173.60
  6. Step 6: Final answer
    x = 13,275.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.